Home / 13,241.30-18,273.06-7,191.56

Finding the Fourth Proportional to 13,241.30, 18,273.06 and 7,191.56

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Solution

The fourth proportional to 13,241.30, 18,273.06 and 7,191.56 is: 9,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.30 : 18,273.06 = 7,191.56 : x
  2. Step 2: Convert to fraction form
    13,241.30/18,273.06 = 7,191.56/x
  3. Step 3: Cross multiply
    13,241.30x = 18,273.06 × 7,191.56
  4. Step 4: Simplify right side
    13,241.30x = 131,411,807.37
  5. Step 5: Solve for x
    x = 131,411,807.37/13,241.30
  6. Step 6: Final answer
    x = 9,924.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.